CN107327855A - Coal oven dithio-gas is diffused and igniter - Google Patents
Coal oven dithio-gas is diffused and igniter Download PDFInfo
- Publication number
- CN107327855A CN107327855A CN201710619139.8A CN201710619139A CN107327855A CN 107327855 A CN107327855 A CN 107327855A CN 201710619139 A CN201710619139 A CN 201710619139A CN 107327855 A CN107327855 A CN 107327855A
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- Prior art keywords
- exhaust stack
- diffused
- igniter
- water
- pipeline
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23Q—IGNITION; EXTINGUISHING-DEVICES
- F23Q3/00—Igniters using electrically-produced sparks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2209/00—Specific waste
- F23G2209/14—Gaseous waste or fumes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Coke Industry (AREA)
Abstract
Diffused the invention discloses a kind of coal oven dithio-gas and igniter, be related to metallurgical coking technical field；Including the exhaust stack connected with discharge, water-sealed valve is provided with the exhaust stack, the outside of the exhaust stack is provided with igniting unit at diffusion mouth, and the igniting unit is connected with ignition transformer, it is characterised in that：The water-sealed valve is connected with hoist engine, the communicating downstream that the exhaust stack is located at the airflow direction of the water-sealed valve has nitrogen pipeline, the nitrogen pipeline is equipped with the nitrogen magnetic valve controlled by controller, the diffusion mouth is provided with the temperature sensor for being used for detecting fired state, and the discharge is connected to pressure transmitter；The controller receives the signal of the temperature sensor and the pressure transmitter and controls the hoist engine and the nitrogen magnetic valve.The present invention can solve response lag, and cost is high, the problem of labor strength is big.
Description
Technical field
The present invention relates to metallurgical coking technical field, especially a kind of device diffused for coal oven dithio-gas with lighting a fire.
Background technology
In coking industry, coke oven batch (-type) coalings, discharge of the coke production and the characteristics of continous way coke making process is run, and determines
Under the emergency case such as coke oven scheduled overhaul or raw coke oven gas transmission failure, in the presence of there is raw coke oven gas to diffuse problem, in order to avoid direct
Pollution environment is diffused, ignition bleeding mode is typically taken.Ignition bleeding includes diffusing and 2 steps of igniting, currently there is 4 kinds of manipulations
Mode：Manually diffuse and light a fire, manually diffuse and " altar lamp "（The coke-stove gas kindling material that the mouth of pipe is prepared for a long time is being diffused, is being diffused
When can quick igniting crude gases）Formula is lighted a fire, manually diffused and automatic ignition, automatic relief and automatic ignition.Manual firing diffuses
Have that response lag, operating environment be severe and the big problem of labor intensity；Although manually diffusing with automatic ignition labor intensity
Reduction, but response lag and the severe problem of operating environment are still suffered from, and the investment of existing automatic ignition device is high；It is " kept burning day and night
Fire " is then as good as substantially with the 3rd kind of mode, although without the existing higher problem of automatic ignition device one-time investment, but because of coke oven
Diffuse the raw coke oven gas frequency and few, cause energy waste, for example：One group of 2 × 60 hole coke oven " altar lamp " year consumes 200,000 Nm3Jiao
Producer gas, about 200,000 yuan of expense.
Above-mentioned coal oven dithio-gas automatic relief and automatic ignition device, can simplify operation, reduce labor intensity, but still
Belong to artificial or semiautomatic control mode.It is main not enough：
（1）Igniter or element are directly contacted or too close to burning things which may cause a fire disaster, cause that its service life is short, and stability is poor.
（2）Raw coke oven gas is diffused water-sealed valve and controlled using electric or pneumatic actuator, and after raw coke oven gas igniting, actuator is direct
Under the adverse circumstances such as high temperature, dust, corrosive gas, element is fragile, and fault rate is high.
（3）For coke oven, too high collecting main pressure is globality, and the infringement to body of heater and related facility and instantaneous
Environmental pollution is extremely strong, and a coke oven typically 2 or 4 raw coke oven gas exhaust stacks of configuration, emergency case should as quickly as possible be opened and diffused
With release.But existing automatic relief actuator takes one-to-one mode to control single raw coke oven gas to diffuse water-sealed valve, and both causing can not
Each exhaust stack is simultaneously and rapidly opened, actuator input and maintenance workload is also increased.
The content of the invention
Diffused it is an object of the invention to provide a kind of coal oven dithio-gas and igniter, it can solve response lag, into
This height, the problem of labor strength is big.
In order to solve the above problems, the technical solution adopted by the present invention is：This coal oven dithio-gas is diffused and igniter,
Including the exhaust stack connected with discharge, water-sealed valve is provided with the exhaust stack, the outside of the exhaust stack is at diffusion mouth
Provided with igniting unit, the igniting unit is connected with ignition transformer, and the water-sealed valve is connected with hoist engine, the exhaust stack position
There is nitrogen pipeline in the communicating downstream of the airflow direction of the water-sealed valve, the nitrogen pipeline is equipped with the nitrogen controlled by controller
Magnetic valve, the diffusion mouth is provided with the temperature sensor for being used for detecting fired state, and the discharge is connected to pressure transmitter；Institute
Controller is stated to receive the signal of the temperature sensor and the pressure transmitter and control the hoist engine and nitrogen electricity
Magnet valve.
In above-mentioned technical proposal, more specifically scheme can also be：The igniting unit includes being installed on described diffuse
The fixture and ignition electrode in the outside of pipe mouth of pipe upper end, the fixture are used to be provided with regulation on steady brace, the pull bar
Device, the sleeve pipe of the ignition electrode through the fixture is connected with the adjuster.
Further：The igniting unit is two sets, is respectively arranged at the both sides of the diffusion mouth of same exhaust stack.
Further：The exhaust stack has four, and the water-sealed valve of four exhaust stacks is by the same hoist engine
Control.
Further：The controller is PLC.
Further：The igniting unit include pipeline, the pipeline side tube wall be axially arranged with it is multiple lead fire hole,
Fire hole side is led provided with fire-guiding channel outside the pipeline, and the ignition electrode is located at the outside of the fire-guiding channel, the ignition electrode
Pin end put in the fire-guiding channel, the lower end of duct be connected to control fuel gas input magnetic valve.
By adopting the above-described technical solution, the present invention is compared with prior art, have an advantageous effect in that：Due to this hair
It is bright to be provided with pressure transmitter and temperature sensor, when the pressure of discharge reaches setting value or during more than setting value, controller control
Ignition electrode igniting processed, when the temperature that temperature sensor detects exhaust stack reaches setting value, illustrates to light a fire successfully.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the IGNITION CONTROL flow chart of the present invention.
Fig. 3 is the igniting unit structural representation of embodiment 1.
Fig. 4 is the igniting unit structural representation of embodiment 2.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples：
Embodiment 1
Coal oven dithio-gas shown in Fig. 1, Fig. 2 and Fig. 3 is diffused and igniter, including the exhaust stack 6 connected with discharge 3,
The nearly described one end of discharge 3 of exhaust stack 6 is provided with water-sealed valve 5, and the side of exhaust stack 6 is provided with igniting unit, and igniting unit is by lighting a fire
Pin 7, the adjuster 20 of adjustable ignition electrode height distance and angle direction, fixture 8 and the attached electrical system of ignition electrode are constituted；
Fixture 8 by porcelain insulator, bolt and Φ 12 ×（100~150）Millimeter sleeve pipe 19 is made, and sleeve pipe 19 is by 304 stainless steels
Be made, fixture 8 is installed on the outside of exhaust stack mouth of pipe upper end, adjuster 20 with Φ 12 ×（250~300）The 304 of millimeter are not
Rust steel is made, and the top seal of adjuster 20, lower weld DN10 nuts, adjuster 20 is arranged on the connecting rod for being shaped as " ┐ " shape
On；The epimere of ignition electrode 7 through fixture 8 Φ 12 ×（100~150）Millimeter sleeve pipe 19, is then welded in regulation by its lower end
The top of device, the hypomere end of ignition electrode 7 is provided with M4.0 × 0.7 millimeter stainless steel screw rod, and ignition electrode 7 is rotated by connecting rod, adjustable
Section ignition electrode 7 is diffused with a distance from the angle direction and height of the mouth of pipe from raw coke oven gas, also allows for adjusting and overhauling in the future.Ignition electrode is attached
Electrical system is made up of special high pressure resistant cable and its control circuit.Control circuit is installed in live electric control box, for point
Dynamic control mode, without self protective function, including button, relay and contactor etc., reserve PLC control inputs, output interface.Point
The live electric control box of fiery unit is connected with ignition transformer 9, and ignition transformer 9 boosts to 8KV pulses by 220VAC is inputted
The contactor output end of output, its input and control circuit is connected by high temperature-resistant cable, the output end warp of ignition transformer 9
Special high pressure resistant cable is connected with the M4.0 × 0.7 millimeter stainless steel screw rod of the hypomere end of ignition electrode 7.Igniting unit is put same
Separate tube mouthful is arranged symmetrically 2 sets of igniting units by a preparation and a use, is respectively connected to 2 ignition transformers（It is installed on the discharge houselet back of the body
Face ventilation, keeps fire away）, by the same contactor output control in control circuit, to ensure reliability of lighting a fire.
Water-sealed valve 5 is connected by a diameter of 4 square millimeters of φ steel wire rope with hoist engine 1, and four of every coke oven diffuse
The Weight type swing arm of pipe water-sealed valve, after a diameter of 4 millimeters of Φ rope traction is in parallel successively, connects through a total steel wire rope
To 1 220VAC small winch of coke oven emission platform end.It is real by the forward and backward of electrical system control hoist engine
Open and close are operated while existing 4 exhaust stack water-sealed valves, and control raw coke oven gas is diffused or cut off.In the electrical system of exhaust stack, rotate forward
The starting-up later time of loop and igniter is shared, and realization is diffused to be carried out simultaneously with igniting；Reversion loop be separately provided, by button,
Relay, Change phase capacitance and contactor are constituted, and are crawl operation, without self protective function, are reserved PLC control inputs, output and are connect
Mouthful.During rotating forward, 4 exhaust stack water-sealed valves 5 are opened simultaneously by the tractive force tense wire rope of hoist engine 1；During reversion, the pine of hoist engine 1
Rope, water-sealed valve 5 leans on swing arm weight self-weight reset.One two-way lead limit switch 2 is arranged on before hoist engine 1 at 3~4 meters,
Below total steel wire rope at 0.4~0.5 meter, same plane is in hoist engine 1.With a diameter of 4 millimeters of Φ's two 1.5 meters long
The swing arm of limit switch 2 is respectively connected on total steel wire rope by steel wire rope by positive and negative direction.The normally closed of the positive and negative direction of limit switch 2 is touched
In the forward and backward loop for the electrical system that point signal output seals in exhaust stack respectively, during for Overstroke, chain stop is triggered
Action.The side of exhaust stack is provided with nitrogen pipeline, and nitrogen pipeline is located at the downstream of the airflow direction of water-sealed valve 5, and nitrogen pipeline is set
There is nitrogen magnetic valve 10, the diffusion mouth of exhaust stack 6 is provided with the temperature sensor 11 for being used for detecting the temperature of exhaust stack 6.Hoist engine 1,
Nitrogen magnetic valve 10 and temperature sensor 11 are electrically connected with PLC 12, and PLC 12 passes through pressure transmitter 13
It is connected with discharge 3.
The collecting main pressure detection signal that the present invention is used to trigger igniting is each section of discharge in former coke oven heating PLC system
The measured value of pressure transmitter；Every exhaust stack is equipped with a temperature sensor and detects that temperature sensor 11 is adopted to temperature
K-type thermocouple is used, vertical fixed, measurement end is stood upside down installed in two porcelain insulators sides upward, measurement end is away from diffusing the mouth of pipe
300mm.Nitrogen magnetic valve 10 is closed type, is installed on the place that keeps fire away in the DN50 nitrogen header pipes of every coke oven, is used
220VAC power supplys.The present invention, can also be as needed except can be in addition to remote operation, and the artificial key that carries out diffuses igniting behaviour at the scene at any time
Make.The control system of the present invention includes 3 kinds of control models.Specifically control program is：
1. remote auto control：Believed using every section of discharge gas pressure PV1~PV4 and gas-blowing engine stopping signal as detection
Number.When any detection pressure PV exceedes setting value, correspondence parameter is yellow, red flicker, and system sends alarm signal.When pressure PV after
It is continuous to rise, go beyond the limit of setting value SV1 or detect air blower stopping signal and keep after a period of time T1, system output volume
The positive rotaring signal of machine 1 is raised, while pulling open the water-sealed valve 5 of 4 sections of exhaust stacks 6, raw coke oven gas is diffused, to opening after spacing or setting time T2,
The stopping of hoist engine 1 is acted.Pulled open simultaneously in hoist engine 1,4 ignition transformers 9 of triggering start, and remain to delay time T3, or
Thermocouple detection temperature TE1~TE4 of person's exhaust stack 6 reaches setting value SV2, is just judged as lighting a fire successfully, stops igniting transformation
Device 9 discharges.After delay T4 seconds, nitrogen magnetic valve 10 is opened, is eliminated smoke.When system detectio is to air blower run signal, or
4 detected pressure value PV of every section of discharge 3 are respectively less than setting value SV3, and keep after T5 seconds, export the reverse signal of hoist engine 1,
Water-sealed valve 5 is closed, to the spacing return of setting time T6 or pass, stops hoist engine 1 and acts.When every section of detection temperature of discharge 3
TE is less than after setting value SV4 or setting time T7 arrival, judges that fire has extinguished, closes nitrogen magnetic valve 10, completes once automatic
Diffuse ignition process.
2. remote manual：In ipc monitor picture, automatic detection is replaced using manual ringing, triggering igniter is opened
Stop." startup " is clicked on manually, output signal rotates forward hoist engine 1, pulls open the water-sealed valve 5 of exhaust stack 6, diffuse raw coke oven gas, extremely
Open and stop after spacing or setting time T2.Hoist engine 1 pulls open water-sealed valve 5 simultaneously, and 4 ignition transformers 9 of triggering start, and remain to
Delay time T3, or thermocouple detection temperature TE1~TE4 of exhaust stack 6 reach setting value SV2, are just judged as lighting a fire successfully,
Stop ignition transformer 9 to discharge.After delay T4 seconds, nitrogen magnetic valve 10 is opened, is eliminated smoke.When needing stopping to diffuse, point
Hit " stopping ", output signal inverts hoist engine 1, close water-sealed valve 5, to setting time T6 to or close after spacing return, stop
Hoist engine 1 is acted.After every section of detection temperature TE of discharge 3 is less than setting value SV4 or setting time T7 arrival, judge that fire has put out
Go out, close nitrogen magnetic valve 10, complete once long-range hand and diffuse ignition process.
During remote operation, the setting value of all conditions, can in configuration picture according to technique need be configured and adjust
It is whole.And the equipment state in control process and parameter alarm are shown in real time, key parameter is recorded.All devices
Stop, judge that the two takes its first comer to perform using signal detection and delay time two ways, anti-locking system is detected
During failure, device action can not stop and damage.
3. it is manual on the spot：At the scene by control box, " on the spot " control is switched to.To simplify operation, most fast ignition is realized, it is existing
Operational design is into a key operation mode, i.e.,：Igniting and water-sealed valve 5 are opened, and a key is acted simultaneously.To protect ignition transformer 9,
Prevent from discharging for a long time, damage equipment, without self-insurance during igniter execute-in-place, after observation is lighted a fire successfully at the scene, loose one's grip i.e.
Stop.And open and close and put the hoist engine 1 of water-sealed valve 5 and open and closing motion, opened by the two-way travel that seals in electric control loop is spacing
2 are closed to stop.The start-up and shut-down control of nitrogen magnetic valve 10, is realized by separate button, and startup possesses self protective function.Ignition system is " just
Ground is manual " whole controls and operate, equal control boxs at the scene realizes the separation controlled with PLC.
Embodiment 2
Coal oven dithio-gas shown in Fig. 1, Fig. 2 and Fig. 4 is diffused and igniter, including the exhaust stack 6 connected with discharge 3,
The nearly described one end of discharge 3 of exhaust stack 6 is provided with water-sealed valve 5, and the side of exhaust stack 6 is provided with igniting unit, and igniting unit, which is located at, to be put
The bottom of the side of separate tube 6, igniting unit includes pipeline 14, and the tube wall in the side of pipeline 14 is axially arranged with six a diameter of φ 3
Millimeter leads fire hole 16, and it is 300 millimeters to lead fire hole and lead spacing between fire hole, the fire hole side of leading outside pipeline is provided with by flat
The fire-guiding channel 15 that steel is bent, ignition electrode 7 is located at the outside of fire-guiding channel 15, and the pin end of ignition electrode 7 is put in fire-guiding channel 15, pipe
The lower end of road 14 is connected by magnetic valve 18 with clean coal feed channel.
When PLC 12 detects the pressure anomaly of discharge 3 and raw coke oven gas will be diffused, PLC 12 starts point
Fiery pin 7, while opening magnetic valve 18, the purified gas that magnetic valve 18 is controlled is passed through from the bottom of pipeline 14, and ignition electrode 7 is by purified gas point
, flame lights the mouth of pipe raw coke oven gas of exhaust stack 6 along fire-guiding channel 15 toward the top for rising to pipeline 14.Remaining principle and reality
Apply example 1 identical.
Claims (6)
1. a kind of coal oven dithio-gas is diffused and igniter, including the exhaust stack connected with discharge, it is provided with the exhaust stack
Water-sealed valve, the outside of the exhaust stack is provided with igniting unit at diffusion mouth, and the igniting unit is connected with ignition transformer,
It is characterized in that：The water-sealed valve is connected with hoist engine, and the downstream that the exhaust stack is located at the airflow direction of the water-sealed valve connects
Nitrogen pipeline is connected with, the nitrogen pipeline is equipped with the nitrogen magnetic valve controlled by controller, and the diffusion mouth, which is provided with, to be used to detect
The temperature sensor of fired state, the discharge is connected to pressure transmitter；The controller receive the temperature sensor and
The signal of the pressure transmitter simultaneously controls the hoist engine and the nitrogen magnetic valve.
2. coal oven dithio-gas according to claim 1 is diffused and igniter, it is characterised in that：The igniting unit includes
The fixture and ignition electrode in the outside of the exhaust stack mouth of pipe upper end are installed on, the fixture is used for steady brace, the drawing
Adjuster is installed, the sleeve pipe of the ignition electrode through the fixture is connected with the adjuster on bar.
3. coal oven dithio-gas according to claim 1 or 2 is diffused and igniter, it is characterised in that：The igniting unit
For two sets, the both sides of the diffusion mouth of same exhaust stack are respectively arranged at.
4. coal oven dithio-gas according to claim 1 or 2 is diffused and igniter, it is characterised in that：The exhaust stack has
Four, the water-sealed valve of four exhaust stacks is controlled by the same hoist engine.
5. coal oven dithio-gas according to claim 1 or 2 is diffused and igniter, it is characterised in that：The controller is
PLC.
6. coal oven dithio-gas according to claim 1 is diffused and igniter, it is characterised in that：The igniting unit includes
Pipeline, the pipeline side tube wall be axially arranged with it is multiple lead fire hole, lead fire hole side provided with leading outside the pipeline
Fiery groove, the ignition electrode is located at the outside of the fire-guiding channel, and the pin end of the ignition electrode is put in the fire-guiding channel, the pipeline
Under be terminated with control fuel gas input magnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710619139.8A CN107327855B (en) | 2017-07-26 | 2017-07-26 | Raw coke oven gas diffusing and igniting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710619139.8A CN107327855B (en) | 2017-07-26 | 2017-07-26 | Raw coke oven gas diffusing and igniting device |
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| Publication Number | Publication Date |
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| CN107327855A true CN107327855A (en) | 2017-11-07 |
| CN107327855B CN107327855B (en) | 2023-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710619139.8A Active CN107327855B (en) | 2017-07-26 | 2017-07-26 | Raw coke oven gas diffusing and igniting device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108758662A (en) * | 2018-06-22 | 2018-11-06 | 河南孚点电子科技有限公司 | A kind of automatic ignition cabinet of digital product exhaust gas material incinerator device |
| CN110906363A (en) * | 2019-11-20 | 2020-03-24 | 宁夏晟晏实业集团能源循环经济有限公司 | Automatic ignition device and method for combustible gas diffusion pipeline |
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| CN108758662A (en) * | 2018-06-22 | 2018-11-06 | 河南孚点电子科技有限公司 | A kind of automatic ignition cabinet of digital product exhaust gas material incinerator device |
| CN110906363A (en) * | 2019-11-20 | 2020-03-24 | 宁夏晟晏实业集团能源循环经济有限公司 | Automatic ignition device and method for combustible gas diffusion pipeline |
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| Publication number | Publication date |
|---|---|
| CN107327855B (en) | 2023-06-06 |
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